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(!!!!!) (Best Overall Single) CK-5687WB Raytheon black plates NOS 1960's (40.5ma/42ma) (Audio Note, Modwright, Manley) Highest mA and Gm
(!!!!!) (BEST Pair 1962) JG-6072 GE NOS triple mica black plates "O" getter 1962 (2.6/2.8ma and 2.7/2.8ma) 1-2% matched (mics, Audio Note, Kondo)
(!!!!!) (Best Single #1 1953) GL-6072 GE also branded LEAR 5 star triple mica black plates "D" getter halo 1953 like new (3.5/3.5ma) (Same Gm) (V1 guitar amp, mics, Audio Note) 1% section balance
(!!!!!) (Best Single #2 1953) GL-6072 GE also branded LEAR 5 star triple mica black plates "D" getter halo 1953 like new (2.7/2.9ma) (V1 guitar amp, mics, Audio Note) 1-3% section balance
(!!!!!) (Best Single 1953) GL-6072 GE also branded LEAR 5 star triple mica black plates "D" getter halo 1953 like new (3.1/3.0ma) (Same Gm) (V1 guitar amp, mics, Audio Note) 1-2% section balance
(!!!!!) (Best Value Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 used/tests like new (2.8/3.4ma) (same Gm) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Best Value Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 used/tests like new (3.0/3.6ma) (same Gm) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Best Value Single 1953) GL-6072 GE 5 star triple mica black plates "D" getter halo 1953 used/tests like new (3.2/2.4ma) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Best Value Single) 6072 GE 5 star triple mica black plates "O" getter halo 1960's - 2 hairline cracks top of glass - tests like new (2.4/2.7ma) (mic grade)
(!!!!!) (Bets Value Single) GL-6072 GE 5 star triple mica black plates "D" getter halo used/tests like new 1953-1954 faded printing (2.9/2.4ma) (V1 guitar amp, mics, Audio Note)
(!!!!!) (Pair 1952-1953) GL-6072 GE 5 star triple mica black plates "D" getter halo test like new fairly good printing (2.4/2.3ma and 2.2/2.5ma) 1-3% matched (Audio Note, Kondo, mics)
(!!!!!) (Recommended Single) JG-6072 GE triple mica black plates "O" getter NOS 1962 (2.9/2.3ma) (AKG, Tele 251, Peluso, Rode) (similar sound to 5-Star GE)
(!!!!) (BEST PAIR #2) 6201=12AT7WC GE "5 STAR" NOS double mica, copper grid posts, gray plates, 1972 (7.2/8.6ma and 8.6/8.2ma)
(!!!!) (BEST PAIR) 6201=12AT7WC GE "5 STAR" NOS double mica, copper grid posts, gray plates, 1972 (10.8/12ma and 11.2/11.0ma)
(!!!!) (BEST SINGLE #3) JG-12AT7WA=6201 GE NOS "blue tip - red dot" triple mica, "O" getter halo, gray plates 1960 (8.6/11.8ma)
(!!!!) (Best Single 1965) 6072A GE "5 Star" NOS black plates double mica NOS 1965 (3.7/3.1ma) (mic preamp)
(!!!!) (BEST SINGLE) 6201=12AT7WC GE "5 STAR" NOS double mica, copper grid posts, gray plates, 1972 (9.8/10.5ma)
(!!!!) (Best Value Single 1953) GL-6072 GE also branded LEAR 5 star triple mica black plates "D" getter halo 1953 used/tests like new (2.6/2.5ma) (Same Gm) (V1 guitar amp, mics, Audio Note) 1-2% section balance
(!!!!) (Recommended Single 1954) GL-6201=12AT7WA GE "5 STAR" black plates triple mica D getter 1954 tests like new (8.2/8.4ma)
(!!!!) (Recommended Single) JG-6072 GE black plates triple mica "U" getter halo like new 1950's (2.5/3.1ma) (recommended for guitar amp or mic preamp)
